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Structural characterizations of the navigational expressiveness of relation algebras on a tree.
George H. L. Fletcher
Marc Gyssens
Jan Paredaens
Dirk Van Gucht
Yuqing Wu
Published in:
J. Comput. Syst. Sci. (2016)
Keyphrases
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expressive power
relation algebra
structural information
tree structure
binary tree
index structure
tree models
tree nodes
data sets
learning algorithm
knowledge base
search algorithm
hierarchical structure
tree structures
tree construction
parent child